How can you performance tune a Stored Procedure?

- Use column names instead of * in SELECT query - Reduce the use of temp tables created in the SP, ...


How do you throw custom errors in SQL

We can use raiseError to throw custom exceptions in an P-SQL block. __Example:__ ``` RAISERROR ...


What are DQL commands?

DQL or Data Query Language commands are used for querying data from database objects. This is only a ...


What are TCL commands?

TCL or Transaction Control Language commands are used to enforce control on transactions within a da ...


What are DCL commands?

DCL or Data Control Language commands are used enforce access control to data within the database or ...


What are DML commands?

DML or Data Modification Language commands are used in creating, updating or deleting data from the ...


What are DDL commands?

DDL or Data Definition Language commands are used in defining or manipulating database schema. These ...


What are the different types of commands in SQL?

There are five types of commands in SQL based on the type of operation they perform: 1. Data Defi ...


What is the full syntax of a SELECT query?

the full syntax of a SELECT query with all the possible CLAUSES is: ``` SELECT column_list | * ...


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